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|
/* ipo.c
*
* $Id$
*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): 2008, Joshua Leung (IPO System cleanup)
*
* ***** END GPL LICENSE BLOCK *****
*/
#include <math.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "MEM_guardedalloc.h"
#include "DNA_action_types.h"
#include "DNA_armature_types.h"
#include "DNA_curve_types.h"
#include "DNA_camera_types.h"
#include "DNA_lamp_types.h"
#include "DNA_ipo_types.h"
#include "DNA_key_types.h"
#include "DNA_material_types.h"
#include "DNA_mesh_types.h"
#include "DNA_object_types.h"
#include "DNA_object_force.h"
#include "DNA_particle_types.h"
#include "DNA_sequence_types.h"
#include "DNA_scene_types.h"
#include "DNA_sound_types.h"
#include "DNA_texture_types.h"
#include "DNA_view3d_types.h"
#include "DNA_world_types.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h"
#include "BKE_bad_level_calls.h"
#include "BKE_utildefines.h"
#include "BKE_action.h"
#include "BKE_blender.h"
#include "BKE_curve.h"
#include "BKE_constraint.h"
#include "BKE_global.h"
#include "BKE_ipo.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_mesh.h"
#include "BKE_object.h"
#include "BPY_extern.h" /* for BPY_pydriver_eval() */
#define SMALL -1.0e-10
/* ***************************** Adrcode Blocktype Defines ********************************* */
/* This array concept was meant to make sure that defines such as OB_LOC_X
don't have to be enumerated, also for backward compatibility, future changes,
and to enable it all can be accessed with a for-next loop.
This should whole adrcode system should eventually be replaced by a proper Data API
*/
int co_ar[CO_TOTIPO]= {
CO_ENFORCE, CO_HEADTAIL
};
int ob_ar[OB_TOTIPO]= {
OB_LOC_X, OB_LOC_Y, OB_LOC_Z, OB_DLOC_X, OB_DLOC_Y, OB_DLOC_Z,
OB_ROT_X, OB_ROT_Y, OB_ROT_Z, OB_DROT_X, OB_DROT_Y, OB_DROT_Z,
OB_SIZE_X, OB_SIZE_Y, OB_SIZE_Z, OB_DSIZE_X, OB_DSIZE_Y, OB_DSIZE_Z,
OB_LAY, OB_TIME, OB_COL_R, OB_COL_G, OB_COL_B, OB_COL_A,
OB_PD_FSTR, OB_PD_FFALL, OB_PD_SDAMP, OB_PD_RDAMP, OB_PD_PERM, OB_PD_FMAXD
};
int ac_ar[AC_TOTIPO]= {
AC_LOC_X, AC_LOC_Y, AC_LOC_Z,
AC_QUAT_W, AC_QUAT_X, AC_QUAT_Y, AC_QUAT_Z,
AC_SIZE_X, AC_SIZE_Y, AC_SIZE_Z
};
int ma_ar[MA_TOTIPO]= {
MA_COL_R, MA_COL_G, MA_COL_B,
MA_SPEC_R, MA_SPEC_G, MA_SPEC_B,
MA_MIR_R, MA_MIR_G, MA_MIR_B,
MA_REF, MA_ALPHA, MA_EMIT, MA_AMB,
MA_SPEC, MA_HARD, MA_SPTR, MA_IOR,
MA_MODE, MA_HASIZE, MA_TRANSLU, MA_RAYM,
MA_FRESMIR, MA_FRESMIRI, MA_FRESTRA, MA_FRESTRAI, MA_ADD,
MA_MAP1+MAP_OFS_X, MA_MAP1+MAP_OFS_Y, MA_MAP1+MAP_OFS_Z,
MA_MAP1+MAP_SIZE_X, MA_MAP1+MAP_SIZE_Y, MA_MAP1+MAP_SIZE_Z,
MA_MAP1+MAP_R, MA_MAP1+MAP_G, MA_MAP1+MAP_B,
MA_MAP1+MAP_DVAR, MA_MAP1+MAP_COLF, MA_MAP1+MAP_NORF, MA_MAP1+MAP_VARF, MA_MAP1+MAP_DISP
};
int te_ar[TE_TOTIPO] ={
TE_NSIZE, TE_NDEPTH, TE_NTYPE, TE_TURB,
TE_VNW1, TE_VNW2, TE_VNW3, TE_VNW4,
TE_VNMEXP, TE_VN_COLT, TE_VN_DISTM,
TE_ISCA, TE_DISTA,
TE_MG_TYP, TE_MGH, TE_MG_LAC, TE_MG_OCT, TE_MG_OFF, TE_MG_GAIN,
TE_N_BAS1, TE_N_BAS2,
TE_COL_R, TE_COL_G, TE_COL_B, TE_BRIGHT, TE_CONTRA
};
int seq_ar[SEQ_TOTIPO]= {
SEQ_FAC1
};
int cu_ar[CU_TOTIPO]= {
CU_SPEED
};
int wo_ar[WO_TOTIPO]= {
WO_HOR_R, WO_HOR_G, WO_HOR_B, WO_ZEN_R, WO_ZEN_G, WO_ZEN_B,
WO_EXPOS, WO_MISI, WO_MISTDI, WO_MISTSTA, WO_MISTHI,
WO_STAR_R, WO_STAR_G, WO_STAR_B, WO_STARDIST, WO_STARSIZE,
MA_MAP1+MAP_OFS_X, MA_MAP1+MAP_OFS_Y, MA_MAP1+MAP_OFS_Z,
MA_MAP1+MAP_SIZE_X, MA_MAP1+MAP_SIZE_Y, MA_MAP1+MAP_SIZE_Z,
MA_MAP1+MAP_R, MA_MAP1+MAP_G, MA_MAP1+MAP_B,
MA_MAP1+MAP_DVAR, MA_MAP1+MAP_COLF, MA_MAP1+MAP_NORF, MA_MAP1+MAP_VARF
};
int la_ar[LA_TOTIPO]= {
LA_ENERGY, LA_COL_R, LA_COL_G, LA_COL_B,
LA_DIST, LA_SPOTSI, LA_SPOTBL,
LA_QUAD1, LA_QUAD2, LA_HALOINT,
MA_MAP1+MAP_OFS_X, MA_MAP1+MAP_OFS_Y, MA_MAP1+MAP_OFS_Z,
MA_MAP1+MAP_SIZE_X, MA_MAP1+MAP_SIZE_Y, MA_MAP1+MAP_SIZE_Z,
MA_MAP1+MAP_R, MA_MAP1+MAP_G, MA_MAP1+MAP_B,
MA_MAP1+MAP_DVAR, MA_MAP1+MAP_COLF
};
/* yafray: aperture & focal distance curves added */
/* qdn: FDIST now available to Blender as well for defocus node */
int cam_ar[CAM_TOTIPO]= {
CAM_LENS, CAM_STA, CAM_END, CAM_YF_APERT, CAM_YF_FDIST, CAM_SHIFT_X, CAM_SHIFT_Y
};
int snd_ar[SND_TOTIPO]= {
SND_VOLUME, SND_PITCH, SND_PANNING, SND_ATTEN
};
int fluidsim_ar[FLUIDSIM_TOTIPO]= {
FLUIDSIM_VISC, FLUIDSIM_TIME,
FLUIDSIM_GRAV_X , FLUIDSIM_GRAV_Y , FLUIDSIM_GRAV_Z ,
FLUIDSIM_VEL_X , FLUIDSIM_VEL_Y , FLUIDSIM_VEL_Z ,
FLUIDSIM_ACTIVE,
FLUIDSIM_ATTR_FORCE_STR, FLUIDSIM_ATTR_FORCE_RADIUS,
FLUIDSIM_VEL_FORCE_STR, FLUIDSIM_VEL_FORCE_RADIUS,
};
int part_ar[PART_TOTIPO]= {
PART_EMIT_FREQ, PART_EMIT_LIFE, PART_EMIT_VEL, PART_EMIT_AVE, PART_EMIT_SIZE,
PART_AVE, PART_SIZE, PART_DRAG, PART_BROWN, PART_DAMP, PART_LENGTH, PART_CLUMP,
PART_GRAV_X, PART_GRAV_Y, PART_GRAV_Z, PART_KINK_AMP, PART_KINK_FREQ, PART_KINK_SHAPE,
PART_BB_TILT, PART_PD_FSTR, PART_PD_FFALL, PART_PD_FMAXD, PART_PD2_FSTR, PART_PD2_FFALL, PART_PD2_FMAXD
};
/* ************************** Data-Level Functions ************************* */
/* ---------------------- Freeing --------------------------- */
/* frees the ipo curve itself too */
void free_ipo_curve (IpoCurve *icu)
{
if (icu == NULL)
return;
if (icu->bezt)
MEM_freeN(icu->bezt);
if (icu->driver)
MEM_freeN(icu->driver);
MEM_freeN(icu);
}
/* do not free ipo itself */
void free_ipo (Ipo *ipo)
{
IpoCurve *icu, *icn;
if (ipo == NULL)
return;
for (icu= ipo->curve.first; icu; icu= icn) {
icn= icu->next;
/* must remove the link before freeing, as the curve is freed too */
BLI_remlink(&ipo->curve, icu);
free_ipo_curve(icu);
}
}
/* ---------------------- Init --------------------------- */
/* on adding new ipos, or for empty views */
void ipo_default_v2d_cur (int blocktype, rctf *cur)
{
switch (blocktype) {
case ID_CA:
cur->xmin= G.scene->r.sfra;
cur->xmax= G.scene->r.efra;
cur->ymin= 0.0;
cur->ymax= 100.0;
break;
case ID_MA: case ID_WO: case ID_LA:
case ID_CU: case ID_CO:
cur->xmin= (float)G.scene->r.sfra-0.1;
cur->xmax= G.scene->r.efra;
cur->ymin= (float)-0.1;
cur->ymax= (float)+1.1;
break;
case ID_TE:
cur->xmin= (float)G.scene->r.sfra-0.1;
cur->xmax= G.scene->r.efra;
cur->ymin= (float)-0.1;
cur->ymax= (float)+1.1;
break;
case ID_SEQ:
cur->xmin= -5.0;
cur->xmax= 105.0;
cur->ymin= (float)-0.1;
cur->ymax= (float)+1.1;
break;
case ID_KE:
cur->xmin= (float)G.scene->r.sfra-0.1;
cur->xmax= G.scene->r.efra;
cur->ymin= (float)-0.1;
cur->ymax= (float)+2.1;
break;
default: /* ID_OB and everything else */
cur->xmin= G.scene->r.sfra;
cur->xmax= G.scene->r.efra;
cur->ymin= -5.0;
cur->ymax= +5.0;
break;
}
}
/* create a new IPO block (allocates the block) */
Ipo *add_ipo (char name[], int blocktype)
{
Ipo *ipo;
ipo= alloc_libblock(&G.main->ipo, ID_IP, name);
ipo->blocktype= blocktype;
ipo_default_v2d_cur(blocktype, &ipo->cur);
return ipo;
}
/* ---------------------- Copy --------------------------- */
/* duplicate an IPO block and all its data */
Ipo *copy_ipo (Ipo *src)
{
Ipo *dst;
IpoCurve *icu;
if (src == NULL)
return NULL;
dst= copy_libblock(src);
duplicatelist(&dst->curve, &src->curve);
for (icu= src->curve.first; icu; icu= icu->next) {
icu->bezt= MEM_dupallocN(icu->bezt);
if (icu->driver)
icu->driver= MEM_dupallocN(icu->driver);
}
return dst;
}
/* ---------------------- Relink --------------------------- */
/* uses id->newid to match pointers with other copied data
* - called after single-user or other such
*/
void ipo_idnew (Ipo *ipo)
{
if (ipo) {
IpoCurve *icu;
for (icu= ipo->curve.first; icu; icu= icu->next) {
if (icu->driver)
ID_NEW(icu->driver->ob);
}
}
}
/* --------------------- Find + Check ----------------------- */
/* find the IPO-curve within a given IPO-block with the adrcode of interest */
IpoCurve *find_ipocurve (Ipo *ipo, int adrcode)
{
if (ipo) {
IpoCurve *icu;
for (icu= ipo->curve.first; icu; icu= icu->next) {
if (icu->adrcode == adrcode)
return icu;
}
}
return NULL;
}
/* return whether the given IPO block has a IPO-curve with the given adrcode */
short has_ipo_code(Ipo *ipo, int adrcode)
{
/* return success of faliure from trying to find such an IPO-curve */
return (find_ipocurve(ipo, adrcode) != NULL);
}
/* ---------------------- Make Local --------------------------- */
/* make the given IPO local (for Objects)
* - only lib users: do nothing
* - only local users: set flag
* - mixed: make copy
*/
void make_local_obipo (Ipo *src)
{
Object *ob;
Ipo *dst;
int local=0, lib=0;
/* check if only local and/or lib */
for (ob= G.main->object.first; ob; ob= ob->id.next) {
if (ob->ipo == src) {
if (ob->id.lib) lib= 1;
else local= 1;
}
}
/* only local - set flag */
if (local && lib==0) {
src->id.lib= 0;
src->id.flag= LIB_LOCAL;
new_id(0, (ID *)src, 0);
}
/* mixed: make copy */
else if (local && lib) {
dst= copy_ipo(src);
dst->id.us= 0;
for (ob= G.main->object.first; ob; ob= ob->id.next) {
if (ob->ipo == src) {
if (ob->id.lib == NULL) {
ob->ipo= dst;
dst->id.us++;
src->id.us--;
}
}
}
}
}
/* make the given IPO local (for Materials)
* - only lib users: do nothing
* - only local users: set flag
* - mixed: make copy
*/
void make_local_matipo (Ipo *src)
{
Material *ma;
Ipo *dst;
int local=0, lib=0;
/* check if only local and/or lib */
for (ma= G.main->mat.first; ma; ma= ma->id.next) {
if (ma->ipo == src) {
if (ma->id.lib) lib= 1;
else local= 1;
}
}
/* only local - set flag */
if (local && lib==0) {
src->id.lib= 0;
src->id.flag= LIB_LOCAL;
new_id(0, (ID *)src, 0);
}
/* mixed: make copy */
else if (local && lib) {
dst= copy_ipo(src);
dst->id.us= 0;
for (ma= G.main->mat.first; ma; ma= ma->id.next) {
if (ma->ipo == src) {
if (ma->id.lib == NULL) {
ma->ipo= dst;
dst->id.us++;
src->id.us--;
}
}
}
}
}
/* make the given IPO local (for ShapeKeys)
* - only lib users: do nothing
* - only local users: set flag
* - mixed: make copy
*/
void make_local_keyipo (Ipo *src)
{
Key *key;
Ipo *dst;
int local=0, lib=0;
/* check if only local and/or lib */
for (key= G.main->key.first; key; key= key->id.next) {
if (key->ipo == src) {
if (key->id.lib) lib= 1;
else local= 1;
}
}
/* only local - set flag */
if (local && lib==0) {
src->id.lib= 0;
src->id.flag= LIB_LOCAL;
new_id(0, (ID *)src, 0);
}
/* mixed: make copy */
else if (local && lib) {
dst= copy_ipo(src);
dst->id.us= 0;
for (key= G.main->key.first; key; key= key->id.next) {
if (key->ipo == src) {
if (key->id.lib == NULL) {
key->ipo= dst;
dst->id.us++;
src->id.us--;
}
}
}
}
}
/* generic call to make IPO's local */
void make_local_ipo (Ipo *ipo)
{
/* can't touch lib-linked data */
if (ipo->id.lib == NULL)
return;
/* with only one user, just set local flag */
if (ipo->id.us == 1) {
ipo->id.lib= 0;
ipo->id.flag= LIB_LOCAL;
new_id(0, (ID *)ipo, 0);
return;
}
/* when more than 1 user, can only make local for certain blocktypes */
switch (ipo->blocktype) {
case ID_OB:
make_local_obipo(ipo);
break;
case ID_MA:
make_local_matipo(ipo);
break;
case ID_KE:
make_local_keyipo(ipo);
break;
}
}
/* ***************************** Keyframe Column Tools ********************************* */
/* add a BezTriple to a column */
void add_to_cfra_elem(ListBase *lb, BezTriple *bezt)
{
CfraElem *ce, *cen;
for (ce= lb->first; ce; ce= ce->next) {
/* double key? */
if (ce->cfra == bezt->vec[1][0]) {
if (bezt->f2 & SELECT) ce->sel= bezt->f2;
return;
}
/* should key be inserted before this column? */
else if (ce->cfra > bezt->vec[1][0]) break;
}
/* create a new column */
cen= MEM_callocN(sizeof(CfraElem), "add_to_cfra_elem");
if (ce) BLI_insertlinkbefore(lb, ce, cen);
else BLI_addtail(lb, cen);
cen->cfra= bezt->vec[1][0];
cen->sel= bezt->f2;
}
/* make a list of keyframe 'columns' in an IPO block */
void make_cfra_list (Ipo *ipo, ListBase *elems)
{
IpoCurve *icu;
BezTriple *bezt;
int a;
for (icu= ipo->curve.first; icu; icu= icu->next) {
if (icu->flag & IPO_VISIBLE) {
/* ... removed old checks for adrcode types from here ...
* - (was this used for IpoKeys in the past?)
*/
bezt= icu->bezt;
if (bezt) {
for (a=0; a < icu->totvert; a++, bezt++) {
add_to_cfra_elem(elems, bezt);
}
}
}
}
}
/* ***************************** Timing Stuff ********************************* */
/* This (evil) function is needed to cope with two legacy Blender rendering features
* mblur (motion blur that renders 'subframes' and blurs them together), and fields
* rendering. Thus, the use of ugly globals from object.c
*/
// BAD... EVIL... JUJU...!!!!
float frame_to_float (int cfra) /* see also bsystem_time in object.c */
{
extern float bluroffs; /* bad stuff borrowed from object.c */
extern float fieldoffs;
float ctime;
ctime= (float)cfra;
ctime+= bluroffs+fieldoffs;
ctime*= G.scene->r.framelen;
return ctime;
}
/* ***************************** IPO Curve Sanity ********************************* */
/* The functions here are used in various parts of Blender, usually after some editing
* of keyframe data has occurred. They ensure that keyframe data is properly ordered and
* that the handles are correctly
*/
/* This function recalculates the handles of an IPO-Curve
* If the BezTriples have been rearranged, sort them first before using this.
*/
void calchandles_ipocurve (IpoCurve *icu)
{
BezTriple *bezt, *prev, *next;
int a= icu->totvert;
/* Error checking:
* - need at least two points
* - need bezier keys
* - only bezier-interpolation has handles (for now)
*/
if (ELEM(NULL, icu, icu->bezt) || (a < 2) || ELEM(icu->ipo, IPO_CONST, IPO_LIN))
return;
/* get initial pointers */
bezt= icu->bezt;
prev= NULL;
next= (bezt + 1);
/* loop over all beztriples, adjusting handles */
while (a--) {
/* clamp timing of handles to be on either side of beztriple */
if (bezt->vec[0][0] > bezt->vec[1][0]) bezt->vec[0][0]= bezt->vec[1][0];
if (bezt->vec[2][0] < bezt->vec[1][0]) bezt->vec[2][0]= bezt->vec[1][0];
/* calculate autohandles */
if (icu->flag & IPO_AUTO_HORIZ)
calchandleNurb(bezt, prev, next, 2); /* 2==special autohandle && keep extrema horizontal */
else
calchandleNurb(bezt, prev, next, 1); /* 1==special autohandle */
/* for automatic ease in and out */
if ((bezt->h1==HD_AUTO) && (bezt->h2==HD_AUTO)) {
/* only do this on first or last beztriple */
if ((a==0) || (a==icu->totvert-1)) {
/* set both handles to have same horizontal value as keyframe */
if (icu->extrap==IPO_HORIZ) {
bezt->vec[0][1]= bezt->vec[2][1]= bezt->vec[1][1];
}
}
}
/* advance pointers for next iteration */
prev= bezt;
if (a == 1) next= NULL;
else next++;
bezt++;
}
}
/* Use when IPO-Curve with handles has changed
* It treats all BezTriples with the following rules:
* - PHASE 1: do types have to be altered?
* -> Auto handles: become aligned when selection status is NOT(000 || 111)
* -> Vector handles: become 'nothing' when (one half selected AND other not)
* - PHASE 2: recalculate handles
*/
void testhandles_ipocurve (IpoCurve *icu)
{
BezTriple *bezt;
int a;
/* only beztriples have handles (bpoints don't though) */
if (ELEM(NULL, icu, icu->bezt))
return;
/* loop over beztriples */
for (a=0, bezt=icu->bezt; a < icu->totvert; a++, bezt++) {
short flag= 0;
/* flag is initialised as selection status
* of beztriple control-points (labelled 0,1,2)
*/
if (bezt->f1 & SELECT) flag |= (1<<0); // == 1
if (bezt->f2 & SELECT) flag |= (1<<1); // == 2
if (bezt->f3 & SELECT) flag |= (1<<2); // == 4
/* one or two handles selected only */
if (ELEM(flag, 0, 7)==0) {
/* auto handles become aligned */
if (bezt->h1==HD_AUTO)
bezt->h1= HD_ALIGN;
if(bezt->h2==HD_AUTO)
bezt->h2= HD_ALIGN;
/* vector handles become 'free' when only one half selected */
if(bezt->h1==HD_VECT) {
/* only left half (1 or 2 or 1+2) */
if (flag < 4)
bezt->h1= 0;
}
if(bezt->h2==HD_VECT) {
/* only right half (4 or 2+4) */
if (flag > 3)
bezt->h2= 0;
}
}
}
/* recalculate handles */
calchandles_ipocurve(icu);
}
/* This function sorts BezTriples so that they are arranged in chronological order,
* as tools working on IPO-Curves expect that the BezTriples are in order.
*/
void sort_time_ipocurve(IpoCurve *icu)
{
short ok= 1;
/* keep adjusting order of beztriples until nothing moves (bubble-sort) */
while (ok) {
ok= 0;
/* currently, will only be needed when there are beztriples */
if (icu->bezt) {
BezTriple *bezt;
int a;
/* loop over ALL points to adjust position in array and recalculate handles */
for (a=0, bezt=icu->bezt; a < icu->totvert; a++, bezt++) {
/* check if thee's a next beztriple which we could try to swap with current */
if (a < (icu->totvert-1)) {
/* swap if one is after the other (and indicate that order has changed) */
if (bezt->vec[1][0] > (bezt+1)->vec[1][0]) {
SWAP(BezTriple, *bezt, *(bezt+1));
ok= 1;
}
/* if either one of both of the points exceeds crosses over the keyframe time... */
if ( (bezt->vec[0][0] > bezt->vec[1][0]) && (bezt->vec[2][0] < bezt->vec[1][0]) ) {
/* swap handles if they have switched sides for some reason */
SWAP(float, bezt->vec[0][0], bezt->vec[2][0]);
SWAP(float, bezt->vec[0][1], bezt->vec[2][1]);
}
else {
/* clamp handles */
if (bezt->vec[0][0] > bezt->vec[1][0])
bezt->vec[0][0]= bezt->vec[1][0];
if (bezt->vec[2][0] < bezt->vec[1][0])
bezt->vec[2][0]= bezt->vec[1][0];
}
}
}
}
}
}
/* This function tests if any BezTriples are out of order, thus requiring a sort */
int test_time_ipocurve (IpoCurve *icu)
{
int a;
/* currently, only need to test beztriples */
if (icu->bezt) {
BezTriple *bezt;
/* loop through all beztriples, stopping when one exceeds the one after it */
for (a=0, bezt= icu->bezt; a < (icu->totvert - 1); a++, bezt++) {
if (bezt->vec[1][0] > (bezt+1)->vec[1][0])
return 1;
}
}
/* none need any swapping */
return 0;
}
/* --------- */
/* The total length of the handles is not allowed to be more
* than the horizontal distance between (v1-v4).
* This is to prevent curve loops.
*/
void correct_bezpart (float *v1, float *v2, float *v3, float *v4)
{
float h1[2], h2[2], len1, len2, len, fac;
/* calculate handle deltas */
h1[0]= v1[0]-v2[0];
h1[1]= v1[1]-v2[1];
h2[0]= v4[0]-v3[0];
h2[1]= v4[1]-v3[1];
/* calculate distances:
* - len = span of time between keyframes
* - len1 = length of handle of start key
* - len2 = length of handle of end key
*/
len= v4[0]- v1[0];
len1= (float)fabs(h1[0]);
len2= (float)fabs(h2[0]);
/* if the handles have no length, no need to do any corrections */
if ((len1+len2) == 0.0)
return;
/* the two handles cross over each other, so force them
* apart using the proportion they overlap
*/
if ((len1+len2) > len) {
fac= len/(len1+len2);
v2[0]= (v1[0]-fac*h1[0]);
v2[1]= (v1[1]-fac*h1[1]);
v3[0]= (v4[0]-fac*h2[0]);
v3[1]= (v4[1]-fac*h2[1]);
}
}
#if 0 // TODO: enable when we have per-segment interpolation
/* This function sets the interpolation mode for an entire Ipo-Curve.
* It is primarily used for patching old files, but is also used in the interface
* to make sure that all segments of the curve use the same interpolation.
*/
void set_interpolation_ipocurve (IpoCurve *icu, short ipo)
{
BezTriple *bezt;
int a;
/* validate arguments */
if (icu == NULL) return;
if (ELEM3(ipo, IPO_CONST, IPO_LIN, IPO_BEZ)==0) return;
/* set interpolation mode for whole curve */
icu->ipo= ipo;
/* set interpolation mode of all beztriples */
for (a=0, bezt=icu->bezt; a<icu->totvert; a++, bezt++)
bezt->ipo= ipo;
}
#endif // TODO: enable when we have per-segment interpolation
/* ***************************** Curve Calculations ********************************* */
/* find root/zero */
int findzero (float x, float q0, float q1, float q2, float q3, float *o)
{
double c0, c1, c2, c3, a, b, c, p, q, d, t, phi;
int nr= 0;
c0= q0 - x;
c1= 3 * (q1 - q0);
c2= 3 * (q0 - 2*q1 + q2);
c3= q3 - q0 + 3 * (q1 - q2);
if (c3 != 0.0) {
a= c2/c3;
b= c1/c3;
c= c0/c3;
a= a/3;
p= b/3 - a*a;
q= (2*a*a*a - a*b + c) / 2;
d= q*q + p*p*p;
if (d > 0.0) {
t= sqrt(d);
o[0]= (float)(Sqrt3d(-q+t) + Sqrt3d(-q-t) - a);
if ((o[0] >= SMALL) && (o[0] <= 1.000001)) return 1;
else return 0;
}
else if (d == 0.0) {
t= Sqrt3d(-q);
o[0]= (float)(2*t - a);
if ((o[0] >= SMALL) && (o[0] <= 1.000001)) nr++;
o[nr]= (float)(-t-a);
if ((o[nr] >= SMALL) && (o[nr] <= 1.000001)) return nr+1;
else return nr;
}
else {
phi= acos(-q / sqrt(-(p*p*p)));
t= sqrt(-p);
p= cos(phi/3);
q= sqrt(3 - 3*p*p);
o[0]= (float)(2*t*p - a);
if ((o[0] >= SMALL) && (o[0] <= 1.000001)) nr++;
o[nr]= (float)(-t * (p + q) - a);
if ((o[nr] >= SMALL) && (o[nr] <= 1.000001)) nr++;
o[nr]= (float)(-t * (p - q) - a);
if ((o[nr] >= SMALL) && (o[nr] <= 1.000001)) return nr+1;
else return nr;
}
}
else {
a=c2;
b=c1;
c=c0;
if (a != 0.0) {
// discriminant
p= b*b - 4*a*c;
if (p > 0) {
p= sqrt(p);
o[0]= (float)((-b-p) / (2 * a));
if ((o[0] >= SMALL) && (o[0] <= 1.000001)) nr++;
o[nr]= (float)((-b+p)/(2*a));
if ((o[nr] >= SMALL) && (o[nr] <= 1.000001)) return nr+1;
else return nr;
}
else if (p == 0) {
o[0]= (float)(-b / (2 * a));
if ((o[0] >= SMALL) && (o[0] <= 1.000001)) return 1;
else return 0;
}
}
else if (b != 0.0) {
o[0]= (float)(-c/b);
if ((o[0] >= SMALL) && (o[0] <= 1.000001)) return 1;
else return 0;
}
else if (c == 0.0) {
o[0]= 0.0;
return 1;
}
return 0;
}
}
void berekeny (float f1, float f2, float f3, float f4, float *o, int b)
{
float t, c0, c1, c2, c3;
int a;
c0= f1;
c1= 3.0f * (f2 - f1);
c2= 3.0f * (f1 - 2.0f*f2 + f3);
c3= f4 - f1 + 3.0f * (f2 - f3);
for (a=0; a < b; a++) {
t= o[a];
o[a]= c0 + t*c1 + t*t*c2 + t*t*t*c3;
}
}
void berekenx (float *f, float *o, int b)
{
float t, c0, c1, c2, c3;
int a;
c0= f[0];
c1= 3 * (f[3] - f[0]);
c2= 3 * (f[0] - 2*f[3] + f[6]);
c3= f[9] - f[0] + 3 * (f[3] - f[6]);
for (a=0; a < b; a++) {
t= o[a];
o[a]= c0 + t*c1 + t*t*c2 + t*t*t*c3;
}
}
/* ***************************** IPO - Calculations ********************************* */
/* ---------------------- Curve Evaluation --------------------------- */
/* helper function for evaluating drivers:
* - we need the local transform = current transform - (parent transform + bone transform)
* - (local transform is on action channel level)
*/
static void posechannel_get_local_transform (bPoseChannel *pchan, float loc[], float eul[], float size[])
{
float parmat[4][4], offs_bone[4][4], imat[4][4];
float diff_mat[4][4];
/* get first the parent + bone transform in parmat */
if (pchan->parent) {
/* bone transform itself */
Mat4CpyMat3(offs_bone, pchan->bone->bone_mat);
/* The bone's root offset (is in the parent's coordinate system) */
VECCOPY(offs_bone[3], pchan->bone->head);
/* Get the length translation of parent (length along y axis) */
offs_bone[3][1]+= pchan->parent->bone->length;
Mat4MulSerie(parmat, pchan->parent->pose_mat, offs_bone, NULL, NULL, NULL, NULL, NULL, NULL);
/* invert it */
Mat4Invert(imat, parmat);
}
else {
Mat4CpyMat3(offs_bone, pchan->bone->bone_mat);
VECCOPY(offs_bone[3], pchan->bone->head);
/* invert it */
Mat4Invert(imat, offs_bone);
}
/* difference: current transform - (parent transform + bone transform) */
Mat4MulMat4(diff_mat, pchan->pose_mat, imat);
/* extract relevant components */
if (loc)
VECCOPY(loc, diff_mat[3]);
if (eul)
Mat4ToEul(diff_mat, eul);
if (size)
Mat4ToSize(diff_mat, size);
}
/* evaluate an IPO-driver to get a 'time' value to use instead of "ipotime"
* - "ipotime" is the frame at which IPO-curve is being evaluated
* - has to return a float value
*/
static float eval_driver (IpoDriver *driver, float ipotime)
{
/* currently, drivers are either PyDrivers (evaluating a PyExpression, or Object/Pose-Channel transforms) */
if (driver->type == IPO_DRIVER_TYPE_PYTHON) {
/* check for empty or invalid expression */
if ( (driver->name[0] == '\0') ||
(driver->flag & IPO_DRIVER_FLAG_INVALID) )
{
return 0.0f;
}
/* this evaluates the expression using Python,and returns its result:
* - on errors it reports, then returns 0.0f
*/
return BPY_pydriver_eval(driver);
}
else {
Object *ob= driver->ob;
/* must have an object to evaluate */
if (ob == NULL)
return 0.0f;
/* if a proxy, use the proxy source*/
if (ob->proxy_from)
ob= ob->proxy_from;
/* use given object as driver */
if (driver->blocktype == ID_OB) {
/* depsgraph failure: ob ipos are calculated in where_is_object, this might get called too late */
if ((ob->ipo) && (ob->ctime != ipotime)) {
/* calculate the value of relevant channel on the Object, but do not write the value
* calculated on to the Object but onto "ipotime" instead
*/
calc_ipo_spec(ob->ipo, driver->adrcode, &ipotime);
return ipotime;
}
/* return the value of the relevant channel */
switch (driver->adrcode) {
case OB_LOC_X:
return ob->loc[0];
case OB_LOC_Y:
return ob->loc[1];
case OB_LOC_Z:
return ob->loc[2];
case OB_ROT_X: /* hack: euler rotations are divided by 10 deg to fit on same axes as other channels */
return ob->rot[0]/(M_PI_2/9.0);
case OB_ROT_Y: /* hack: euler rotations are divided by 10 deg to fit on same axes as other channels */
return ob->rot[1]/(M_PI_2/9.0);
case OB_ROT_Z: /* hack: euler rotations are divided by 10 deg to fit on same axes as other channels */
return ob->rot[2]/(M_PI_2/9.0);
case OB_SIZE_X:
return ob->size[0];
case OB_SIZE_Y:
return ob->size[1];
case OB_SIZE_Z:
return ob->size[2];
}
}
/* use given pose-channel as driver */
else { /* ID_AR */
bPoseChannel *pchan= get_pose_channel(ob->pose, driver->name);
/* must have at least 1 bone to use */
if (pchan && pchan->bone) {
/* rotation difference is not a simple driver (i.e. value drives value), but the angle between 2 bones is driving stuff...
* - the name of the second pchan is also stored in driver->name, but packed after the other one by DRIVER_NAME_OFFS chars
*/
if (driver->adrcode == OB_ROT_DIFF) {
bPoseChannel *pchan2= get_pose_channel(ob->pose, driver->name+DRIVER_NAME_OFFS);
if (pchan2 && pchan2->bone) {
float q1[4], q2[4], quat[4], angle;
Mat4ToQuat(pchan->pose_mat, q1);
Mat4ToQuat(pchan2->pose_mat, q2);
QuatInv(q1);
QuatMul(quat, q1, q2);
angle = 2.0f * (saacos(quat[0]));
angle= ABS(angle);
return (angle > M_PI) ? ((2.0f * M_PI) - angle) : (angle);
}
}
/* standard driver */
else {
float loc[3], eul[3], size[3];
/* retrieve local transforms to return
* - we use eulers here NOT quats, so that Objects can be driven by bones easily
* also, this way is more understandable for users
*/
posechannel_get_local_transform(pchan, loc, eul, size);
switch (driver->adrcode) {
case OB_LOC_X:
return loc[0];
case OB_LOC_Y:
return loc[1];
case OB_LOC_Z:
return loc[2];
case OB_ROT_X: /* hack: euler rotations are divided by 10 deg to fit on same axes as other channels */
return eul[0]/(M_PI_2/9.0);
case OB_ROT_Y: /* hack: euler rotations are divided by 10 deg to fit on same axes as other channels */
return eul[1]/(M_PI_2/9.0);
case OB_ROT_Z: /* hack: euler rotations are divided by 10 deg to fit on same axes as other channels */
return eul[2]/(M_PI_2/9.0);
case OB_SIZE_X:
return size[0];
case OB_SIZE_Y:
return size[1];
case OB_SIZE_Z:
return size[2];
}
}
}
}
}
/* return 0.0f, as couldn't find relevant data to use */
return 0.0f;
}
/* evaluate and return the value of the given IPO-curve at the specified frame ("evaltime") */
float eval_icu(IpoCurve *icu, float evaltime)
{
float cvalue = 0.0f;
/* if there is a driver, evaluate it to find value to use as "evaltime"
* - this value will also be returned as the value of the 'curve', if there are no keyframes
*/
if (icu->driver) {
/* ipotime now serves as input for the curve */
evaltime= cvalue= eval_driver(icu->driver, evaltime);
}
/* there are keyframes (in the form of BezTriples) which can be interpolated between */
if (icu->bezt) {
/* get pointers */
BezTriple *bezt, *prevbezt, *lastbezt;
float v1[2], v2[2], v3[2], v4[2], opl[32], dx, fac;
float cycdx, cycdy, ofs, cycyofs= 0.0;
int a, b;
/* get pointers */
a= icu->totvert-1;
prevbezt= icu->bezt;
bezt= prevbezt+1;
lastbezt= prevbezt + a;
/* extrapolation mode is 'cyclic' - find relative place within a cycle */
if (icu->extrap & IPO_CYCL) {
/* ofs is start frame of cycle */
ofs= prevbezt->vec[1][0];
/* calculate period and amplitude (total height) of a cycle */
cycdx= lastbezt->vec[1][0] - prevbezt->vec[1][0];
cycdy= lastbezt->vec[1][1] - prevbezt->vec[1][1];
/* cycle occurs over some period of time (cycdx should be positive all the time) */
if (cycdx) {
/* check if 'cyclic extrapolation', and thus calculate y-offset for this cycle
* - IPO_CYCLX = (IPO_CYCL + IPO_DIR)
*/
if (icu->extrap & IPO_DIR) {
cycyofs = (float)floor((evaltime - ofs) / cycdx);
cycyofs *= cycdy;
}
/* calculate where in the cycle we are (overwrite evaltime to reflect this) */
evaltime= (float)(fmod(evaltime-ofs, cycdx) + ofs);
if (evaltime < ofs) evaltime += cycdx;
}
}
/* evaluation time at or past endpoints? */
// TODO: for per-bezt interpolation, replace all icu->ipo with (bezt)->ipo
if (prevbezt->vec[1][0] >= evaltime) {
/* before or on first keyframe */
if ((icu->extrap & IPO_DIR) && (icu->ipo != IPO_CONST)) {
/* linear or bezier interpolation */
if (icu->ipo==IPO_LIN) {
/* Use the next center point instead of our own handle for
* linear interpolated extrapolate
*/
if (icu->totvert == 1)
cvalue= prevbezt->vec[1][1];
else {
bezt = prevbezt+1;
dx= prevbezt->vec[1][0] - evaltime;
fac= bezt->vec[1][0] - prevbezt->vec[1][0];
/* prevent division by zero */
if (fac) {
fac= (bezt->vec[1][1] - prevbezt->vec[1][1]) / fac;
cvalue= prevbezt->vec[1][1] - (fac * dx);
}
else
cvalue= prevbezt->vec[1][1];
}
}
else {
/* Use the first handle (earlier) of first BezTriple to calculate the
* gradient and thus the value of the curve at evaltime
*/
dx= prevbezt->vec[1][0] - evaltime;
fac= prevbezt->vec[1][0] - prevbezt->vec[0][0];
/* prevent division by zero */
if (fac) {
fac= (prevbezt->vec[1][1] - prevbezt->vec[0][1]) / fac;
cvalue= prevbezt->vec[1][1] - (fac * dx);
}
else
cvalue= prevbezt->vec[1][1];
}
}
else {
/* constant (IPO_HORIZ) extrapolation or constant interpolation,
* so just extend first keyframe's value
*/
cvalue= prevbezt->vec[1][1];
}
}
else if (lastbezt->vec[1][0] <= evaltime) {
/* after or on last keyframe */
if( (icu->extrap & IPO_DIR) && (icu->ipo != IPO_CONST)) {
/* linear or bezier interpolation */
if (icu->ipo==IPO_LIN) {
/* Use the next center point instead of our own handle for
* linear interpolated extrapolate
*/
if (icu->totvert == 1)
cvalue= lastbezt->vec[1][1];
else {
prevbezt = lastbezt - 1;
dx= evaltime - lastbezt->vec[1][0];
fac= lastbezt->vec[1][0] - prevbezt->vec[1][0];
/* prevent division by zero */
if (fac) {
fac= (lastbezt->vec[1][1] - prevbezt->vec[1][1]) / fac;
cvalue= lastbezt->vec[1][1] + (fac * dx);
}
else
cvalue= lastbezt->vec[1][1];
}
}
else {
/* Use the gradient of the second handle (later) of last BezTriple to calculate the
* gradient and thus the value of the curve at evaltime
*/
dx= evaltime - lastbezt->vec[1][0];
fac= lastbezt->vec[2][0] - lastbezt->vec[1][0];
/* prevent division by zero */
if (fac) {
fac= (lastbezt->vec[2][1] - lastbezt->vec[1][1]) / fac;
cvalue= lastbezt->vec[1][1] + (fac * dx);
}
else
cvalue= lastbezt->vec[1][1];
}
}
else {
/* constant (IPO_HORIZ) extrapolation or constant interpolation,
* so just extend last keyframe's value
*/
cvalue= lastbezt->vec[1][1];
}
}
else {
/* evaltime occurs somewhere in the middle of the curve */
// TODO: chould be optimised by using a binary search instead???
for (a=0; prevbezt && bezt && (a < icu->totvert-1); a++, prevbezt=bezt, bezt++) {
/* evaltime occurs within the interval defined by these two keyframes */
if ((prevbezt->vec[1][0] <= evaltime) && (bezt->vec[1][0] >= evaltime)) {
/* value depends on interpolation mode */
if (icu->ipo == IPO_CONST) {
/* constant (evaltime not relevant, so no interpolation needed) */
cvalue= prevbezt->vec[1][1];
}
else if (icu->ipo == IPO_LIN) {
/* linear - interpolate between values of the two keyframes */
fac= bezt->vec[1][0] - prevbezt->vec[1][0];
/* prevent division by zero */
if (fac) {
fac= (evaltime - prevbezt->vec[1][0]) / fac;
cvalue= prevbezt->vec[1][1] + (fac * (bezt->vec[1][1] - prevbezt->vec[1][1]));
}
else
cvalue= prevbezt->vec[1][1];
}
else {
/* bezier interpolation */
/* v1,v2 are the first keyframe and its 2nd handle */
v1[0]= prevbezt->vec[1][0];
v1[1]= prevbezt->vec[1][1];
v2[0]= prevbezt->vec[2][0];
v2[1]= prevbezt->vec[2][1];
/* v3,v4 are the last keyframe's 1st handle + the last keyframe */
v3[0]= bezt->vec[0][0];
v3[1]= bezt->vec[0][1];
v4[0]= bezt->vec[1][0];
v4[1]= bezt->vec[1][1];
/* adjust handles so that they don't overlap (forming a loop) */
correct_bezpart(v1, v2, v3, v4);
/* try to get a value for this position - if failure, try another set of points */
b= findzero(evaltime, v1[0], v2[0], v3[0], v4[0], opl);
if (b) {
berekeny(v1[1], v2[1], v3[1], v4[1], opl, 1);
cvalue= opl[0];
break;
}
}
}
}
}
/* apply y-offset (for 'cyclic extrapolation') to calculated value */
cvalue+= cycyofs;
}
/* clamp evaluated value to lie within allowable value range for this channel */
if (icu->ymin < icu->ymax) {
CLAMP(cvalue, icu->ymin, icu->ymax);
}
/* return evaluated value */
return cvalue;
}
/* ------------------- IPO-Block/Curve Calculation - General API ----------------------- */
/* calculate the value of the given IPO-curve at the current frame, and set its curval */
void calc_icu (IpoCurve *icu, float ctime)
{
/* calculate and set curval (evaluates driver too) */
icu->curval= eval_icu(icu, ctime);
}
/* calculate for the current frame, all IPO-curves in IPO-block that can be evaluated
* - icu->curval is set for all IPO-curves which are evaluated!
*/
void calc_ipo (Ipo *ipo, float ctime)
{
IpoCurve *icu;
/* if there is no IPO block to evaluate, or whole block is "muted" */
if (ipo == NULL) return;
if (ipo->muteipo) return;
/* loop over all curves */
for (icu= ipo->curve.first; icu; icu= icu->next) {
/* only evaluated curve if allowed to:
* - Muted channels should not be evaluated as they shouldn't have any effect
* --> user explictly turned them off!
* - Drivers should be evaluated at all updates
* --> TODO Note: drivers should be separated from standard channels
* - IPO_LOCK is not set, as it is set by some internal mechanisms to prevent
* IPO-curve from overwriting data (currently only used for IPO-Record).
*/
if ((icu->driver) || (icu->flag & IPO_LOCK)==0) {
if ((icu->flag & IPO_MUTE)==0)
calc_icu(icu, ctime);
}
}
}
/* ------------------- IPO-Block/Curve Calculation - Special Hacks ----------------------- */
/* Calculate and return the value of the 'Time' Ipo-Curve from an Object,
* OR return the current time if not found
* - used in object.c -> bsystem_time()
*/
float calc_ipo_time (Ipo *ipo, float ctime)
{
/* only Time IPO from Object IPO-blocks are relevant */
if ((ipo) && (ipo->blocktype == ID_OB)) {
IpoCurve *icu= find_ipocurve(ipo, OB_TIME);
/* only calculate (and set icu->curval) for time curve */
if (icu) {
calc_icu(icu, ctime);
return (10.0f * icu->curval);
}
}
/* no appropriate time-curve found */
return ctime;
}
/* Evaluate the specified channel in the given IPO block on the specified frame (ctime),
* writing the value into that channel's icu->curval, but ALSO dumping it in ctime.
* - Returns success and modifies ctime!
*/
short calc_ipo_spec (Ipo *ipo, int adrcode, float *ctime)
{
IpoCurve *icu= find_ipocurve(ipo, adrcode);
/* only evaluate if found */
if (icu) {
/* only calculate if allowed to (not locked and not muted)
* - drivers not taken into account, because this may be called when calculating a driver
*/
if ((icu->flag & (IPO_LOCK|IPO_MUTE))==0)
calc_icu(icu, *ctime);
/* value resulting from calculations is written into ctime! */
*ctime= icu->curval;
return 1;
}
/* couldn't evaluate */
return 0;
}
/* ***************************** IPO - DataAPI ********************************* */
/* --------------------- Flush/Execute IPO Values ----------------------------- */
/* Flush IpoCurve->curvals to the data they affect (defined by ID)
* - not for Actions or Constraints! (those have their own special handling)
*/
void execute_ipo (ID *id, Ipo *ipo)
{
IpoCurve *icu;
void *poin;
int type;
/* don't do anything without an IPO block */
if (ipo == NULL)
return;
/* loop over IPO Curves, getting pointer to var to affect, and write into that pointer */
for (icu= ipo->curve.first; icu; icu= icu->next) {
poin= get_ipo_poin(id, icu, &type);
if (poin) write_ipo_poin(poin, type, icu->curval);
}
}
/* Flush Action-Channel IPO data to Pose Channel */
void execute_action_ipo (bActionChannel *achan, bPoseChannel *pchan)
{
/* only do this if there's an Action Channel and Pose Channel to use */
if (achan && achan->ipo && pchan) {
IpoCurve *icu;
/* loop over IPO-curves, getting a pointer to pchan var to write to
* - assume for now that only 'float' channels will ever get written into
*/
for (icu= achan->ipo->curve.first; icu; icu= icu->next) {
void *poin= get_pchan_ipo_poin(pchan, icu->adrcode);
if (poin) write_ipo_poin(poin, IPO_FLOAT, icu->curval);
}
}
}
/* --------------------- Force Calculation + Flush IPO Values ----------------------------- */
/* Calculate values for given IPO block, then flush to all of block's users
* - for general usage
*/
void do_ipo (Ipo *ipo)
{
if (ipo) {
float ctime= frame_to_float(G.scene->r.cfra);
/* calculate values, then flush to all users of this IPO block */
calc_ipo(ipo, ctime);
do_ipo_nocalc(ipo);
}
}
/* Calculate values for given Material's IPO block, then flush to given Material only */
void do_mat_ipo (Material *ma)
{
float ctime;
if (ELEM(NULL, ma, ma->ipo))
return;
ctime= frame_to_float(G.scene->r.cfra);
/* if(ob->ipoflag & OB_OFFS_OB) ctime-= ob->sf; */
/* calculate values for current time, then flush values to given material only */
calc_ipo(ma->ipo, ctime);
execute_ipo((ID *)ma, ma->ipo);
}
/* Calculate values for given Object's IPO block, then flush to given Object only
* - there's also some funky stuff that looks like it's for scene layers
*/
void do_ob_ipo (Object *ob)
{
float ctime;
unsigned int lay;
if (ob->ipo == NULL)
return;
/* do not set ob->ctime here: for example when parent in invisible layer */
ctime= bsystem_time(ob, (float) G.scene->r.cfra, 0.0);
/* calculate values of */
calc_ipo(ob->ipo, ctime);
/* Patch: remember localview */
lay= ob->lay & 0xFF000000;
/* flush IPO values to this object only */
execute_ipo((ID *)ob, ob->ipo);
/* hack: for layer animation??? - is this what this is? (Aligorith, 28Sep2008) */
ob->lay |= lay;
if ((ob->id.name[2]=='S') && (ob->id.name[3]=='C') && (ob->id.name[4]=='E')) {
if (strcmp(G.scene->id.name+2, ob->id.name+6)==0) {
G.scene->lay= ob->lay;
copy_view3d_lock(0);
/* no redraw here! creates too many calls */
}
}
}
/* Only execute those IPO-Curves with drivers, on the current frame, for the given Object
* - TODO: Drivers should really be made separate from standard anim channels
*/
void do_ob_ipodrivers (Object *ob, Ipo *ipo, float ctime)
{
IpoCurve *icu;
void *poin;
int type;
for (icu= ipo->curve.first; icu; icu= icu->next) {
if (icu->driver) {
icu->curval= eval_icu(icu, ctime);
poin= get_ipo_poin((ID *)ob, icu, &type);
if (poin) write_ipo_poin(poin, type, icu->curval);
}
}
}
/* Special variation to calculate IPO values for Sequence + perform other stuff */
void do_seq_ipo (Sequence *seq, int cfra)
{
float ctime, div;
/* seq_ipo has an exception: calc both fields immediately */
if (seq->ipo) {
if ((seq->flag & SEQ_IPO_FRAME_LOCKED) != 0) {
ctime = frame_to_float(cfra);
div = 1.0;
}
else {
ctime= frame_to_float(cfra - seq->startdisp);
div= (seq->enddisp - seq->startdisp) / 100.0f;
if (div == 0.0) return;
}
/* 2nd field */
calc_ipo(seq->ipo, (ctime+0.5f)/div);
execute_ipo((ID *)seq, seq->ipo);
seq->facf1= seq->facf0;
/* 1st field */
calc_ipo(seq->ipo, ctime/div);
execute_ipo((ID *)seq, seq->ipo);
}
else
seq->facf1= seq->facf0= 1.0f;
}
/* --------- */
/* exception: it does calc for objects...
* now find out why this routine was used anyway!
*/
void do_ipo_nocalc (Ipo *ipo)
{
Object *ob;
Material *ma;
Tex *tex;
World *wo;
Lamp *la;
Camera *ca;
bSound *snd;
if (ipo == NULL)
return;
/* only flush IPO values (without calculating first/again) on
* to the datablocks that use the given IPO block
*/
switch (ipo->blocktype) {
case ID_OB:
for (ob= G.main->object.first; ob; ob= ob->id.next) {
if (ob->ipo == ipo) do_ob_ipo(ob);
}
break;
case ID_MA:
for (ma= G.main->mat.first; ma; ma= ma->id.next) {
if (ma->ipo == ipo) execute_ipo((ID *)ma, ipo);
}
break;
case ID_TE:
for (tex= G.main->tex.first; tex; tex= tex->id.next) {
if (tex->ipo == ipo) execute_ipo((ID *)tex, ipo);
}
break;
case ID_WO:
for (wo= G.main->world.first; wo; wo= wo->id.next) {
if (wo->ipo == ipo) execute_ipo((ID *)wo, ipo);
}
break;
case ID_LA:
for (la= G.main->lamp.first; la; la= la->id.next) {
if (la->ipo == ipo) execute_ipo((ID *)la, ipo);
}
break;
case ID_CA:
for (ca= G.main->camera.first; ca; ca= ca->id.next) {
if (ca->ipo == ipo) execute_ipo((ID *)ca, ipo);
}
break;
case ID_SO:
for (snd= G.main->sound.first; snd; snd= snd->id.next) {
if (snd->ipo == ipo) execute_ipo((ID *)snd, ipo);
}
break;
}
}
/* Executes IPO's for whole database on frame change, in a specified order,
* with datablocks being calculated in alphabetical order
* - called on scene_update_for_newframe() only
*/
void do_all_data_ipos ()
{
Material *ma;
Tex *tex;
World *wo;
Ipo *ipo;
Lamp *la;
Key *key;
Camera *ca;
bSound *snd;
Sequence *seq;
Editing *ed;
Base *base;
float ctime;
ctime= frame_to_float(G.scene->r.cfra);
/* this exception cannot be depgraphed yet... what todo with objects in other layers?... */
for (base= G.scene->base.first; base; base= base->next) {
Object *ob= base->object;
/* only update layer when an ipo */
if (has_ipo_code(ob->ipo, OB_LAY)) {
do_ob_ipo(ob);
base->lay= ob->lay;
}
}
/* layers for the set...*/
if (G.scene->set) {
for (base= G.scene->set->base.first; base; base= base->next) {
Object *ob= base->object;
if (has_ipo_code(ob->ipo, OB_LAY)) {
do_ob_ipo(ob);
base->lay= ob->lay;
}
}
}
/* Calculate all IPO blocks in use, execept those for Objects */
for (ipo= G.main->ipo.first; ipo; ipo= ipo->id.next) {
if ((ipo->id.us) && (ipo->blocktype != ID_OB)) {
calc_ipo(ipo, ctime);
}
}
/* Texture Blocks */
for (tex= G.main->tex.first; tex; tex= tex->id.next) {
if (tex->ipo) execute_ipo((ID *)tex, tex->ipo);
}
/* Material Blocks */
for (ma= G.main->mat.first; ma; ma= ma->id.next) {
if (ma->ipo) execute_ipo((ID *)ma, ma->ipo);
}
/* World Blocks */
for (wo= G.main->world.first; wo; wo= wo->id.next) {
if (wo->ipo) execute_ipo((ID *)wo, wo->ipo);
}
/* ShapeKey Blocks */
for (key= G.main->key.first; key; key= key->id.next) {
if (key->ipo) execute_ipo((ID *)key, key->ipo);
}
/* Lamp Blocks */
for (la= G.main->lamp.first; la; la= la->id.next) {
if (la->ipo) execute_ipo((ID *)la, la->ipo);
}
/* Camera Blocks */
for (ca= G.main->camera.first; ca; ca= ca->id.next) {
if (ca->ipo) execute_ipo((ID *)ca, ca->ipo);
}
/* Sound Blocks (Old + Unused) */
for (snd= G.main->sound.first; snd; snd= snd->id.next) {
if (snd->ipo) execute_ipo((ID *)snd, snd->ipo);
}
/* Sequencer: process FAC Ipos used as volume envelopes */
ed= G.scene->ed;
if (ed) {
for (seq= ed->seqbasep->first; seq; seq= seq->next) {
if ( ((seq->type == SEQ_RAM_SOUND) || (seq->type == SEQ_HD_SOUND)) &&
(seq->startdisp <= G.scene->r.cfra+2) &&
(seq->enddisp>G.scene->r.cfra) &&
(seq->ipo) )
{
do_seq_ipo(seq, G.scene->r.cfra);
}
}
}
}
/* --------------------- Assorted ----------------------------- */
/* clear delta-transforms on all Objects which use the given IPO block */
void clear_delta_obipo(Ipo *ipo)
{
Object *ob;
/* only search if there's an IPO */
if (ipo == NULL)
return;
/* search through all objects in database */
for (ob= G.main->object.first; ob; ob= ob->id.next) {
/* can only update if not a library */
if (ob->id.lib == NULL) {
if (ob->ipo == ipo) {
memset(&ob->dloc, 0, 12);
memset(&ob->drot, 0, 12);
memset(&ob->dsize, 0, 12);
}
}
}
}
/* ***************************** IPO - DataAPI ********************************* */
// !!!!!!!!!!!!!!!!!!!!!!!!!!!! FIXME - BAD CRUFT WARNING !!!!!!!!!!!!!!!!!!!!!!!
/* These functions here should be replaced eventually by the Data API, as this is
* inflexible duplication...
*/
/* --------------------- Get Pointer API ----------------------------- */
/* get pointer to pose-channel's channel, but set appropriate flags first */
void *get_pchan_ipo_poin (bPoseChannel *pchan, int adrcode)
{
void *poin= NULL;
switch (adrcode) {
case AC_QUAT_W:
poin= &(pchan->quat[0]);
pchan->flag |= POSE_ROT;
break;
case AC_QUAT_X:
poin= &(pchan->quat[1]);
pchan->flag |= POSE_ROT;
break;
case AC_QUAT_Y:
poin= &(pchan->quat[2]);
pchan->flag |= POSE_ROT;
break;
case AC_QUAT_Z:
poin= &(pchan->quat[3]);
pchan->flag |= POSE_ROT;
break;
case AC_LOC_X:
poin= &(pchan->loc[0]);
pchan->flag |= POSE_LOC;
break;
case AC_LOC_Y:
poin= &(pchan->loc[1]);
pchan->flag |= POSE_LOC;
break;
case AC_LOC_Z:
poin= &(pchan->loc[2]);
pchan->flag |= POSE_LOC;
break;
case AC_SIZE_X:
poin= &(pchan->size[0]);
pchan->flag |= POSE_SIZE;
break;
case AC_SIZE_Y:
poin= &(pchan->size[1]);
pchan->flag |= POSE_SIZE;
break;
case AC_SIZE_Z:
poin= &(pchan->size[2]);
pchan->flag |= POSE_SIZE;
break;
}
/* return pointer */
return poin;
}
/* get texture channel */
static void *give_tex_poin (Tex *tex, int adrcode, int *type )
{
void *poin= NULL;
switch (adrcode) {
case TE_NSIZE:
poin= &(tex->noisesize); break;
case TE_TURB:
poin= &(tex->turbul); break;
case TE_NDEPTH:
poin= &(tex->noisedepth); *type= IPO_SHORT; break;
case TE_NTYPE:
poin= &(tex->noisetype); *type= IPO_SHORT; break;
case TE_VNW1:
poin= &(tex->vn_w1); break;
case TE_VNW2:
poin= &(tex->vn_w2); break;
case TE_VNW3:
poin= &(tex->vn_w3); break;
case TE_VNW4:
poin= &(tex->vn_w4); break;
case TE_VNMEXP:
poin= &(tex->vn_mexp); break;
case TE_ISCA:
poin= &(tex->ns_outscale); break;
case TE_DISTA:
poin= &(tex->dist_amount); break;
case TE_VN_COLT:
poin= &(tex->vn_coltype); *type= IPO_SHORT; break;
case TE_VN_DISTM:
poin= &(tex->vn_distm); *type= IPO_SHORT; break;
case TE_MG_TYP:
poin= &(tex->stype); *type= IPO_SHORT; break;
case TE_MGH:
poin= &(tex->mg_H); break;
case TE_MG_LAC:
poin= &(tex->mg_lacunarity); break;
case TE_MG_OCT:
poin= &(tex->mg_octaves); break;
case TE_MG_OFF:
poin= &(tex->mg_offset); break;
case TE_MG_GAIN:
poin= &(tex->mg_gain); break;
case TE_N_BAS1:
poin= &(tex->noisebasis); *type= IPO_SHORT; break;
case TE_N_BAS2:
poin= &(tex->noisebasis2); *type= IPO_SHORT; break;
case TE_COL_R:
poin= &(tex->rfac); break;
case TE_COL_G:
poin= &(tex->gfac); break;
case TE_COL_B:
poin= &(tex->bfac); break;
case TE_BRIGHT:
poin= &(tex->bright); break;
case TE_CONTRA:
poin= &(tex->contrast); break;
}
/* return pointer */
return poin;
}
/* get texture-slot/mapping channel */
void *give_mtex_poin (MTex *mtex, int adrcode)
{
void *poin= NULL;
switch (adrcode) {
case MAP_OFS_X:
poin= &(mtex->ofs[0]); break;
case MAP_OFS_Y:
poin= &(mtex->ofs[1]); break;
case MAP_OFS_Z:
poin= &(mtex->ofs[2]); break;
case MAP_SIZE_X:
poin= &(mtex->size[0]); break;
case MAP_SIZE_Y:
poin= &(mtex->size[1]); break;
case MAP_SIZE_Z:
poin= &(mtex->size[2]); break;
case MAP_R:
poin= &(mtex->r); break;
case MAP_G:
poin= &(mtex->g); break;
case MAP_B:
poin= &(mtex->b); break;
case MAP_DVAR:
poin= &(mtex->def_var); break;
case MAP_COLF:
poin= &(mtex->colfac); break;
case MAP_NORF:
poin= &(mtex->norfac); break;
case MAP_VARF:
poin= &(mtex->varfac); break;
case MAP_DISP:
poin= &(mtex->dispfac); break;
}
/* return pointer */
return poin;
}
/* GS reads the memory pointed at in a specific ordering. There are,
* however two definitions for it. I have jotted them down here, both,
* but I think the first one is actually used. The thing is that
* big-endian systems might read this the wrong way round. OTOH, we
* constructed the IDs that are read out with this macro explicitly as
* well. I expect we'll sort it out soon... */
/* from blendef: */
#define GS(a) (*((short *)(a)))
/* from misc_util: flip the bytes from x */
/* #define GS(x) (((unsigned char *)(x))[0] << 8 | ((unsigned char *)(x))[1]) */
/* general function to get pointer to source/destination data */
void *get_ipo_poin (ID *id, IpoCurve *icu, int *type)
{
void *poin= NULL;
MTex *mtex= NULL;
/* most channels will have float data, but those with other types will override this */
*type= IPO_FLOAT;
/* data is divided into 'blocktypes' based on ID-codes */
switch (GS(id->name)) {
case ID_OB: /* object channels ----------------------------- */
{
Object *ob= (Object *)id;
switch (icu->adrcode) {
case OB_LOC_X:
poin= &(ob->loc[0]); break;
case OB_LOC_Y:
poin= &(ob->loc[1]); break;
case OB_LOC_Z:
poin= &(ob->loc[2]); break;
case OB_DLOC_X:
poin= &(ob->dloc[0]); break;
case OB_DLOC_Y:
poin= &(ob->dloc[1]); break;
case OB_DLOC_Z:
poin= &(ob->dloc[2]); break;
case OB_ROT_X:
poin= &(ob->rot[0]); *type= IPO_FLOAT_DEGR; break;
case OB_ROT_Y:
poin= &(ob->rot[1]); *type= IPO_FLOAT_DEGR; break;
case OB_ROT_Z:
poin= &(ob->rot[2]); *type= IPO_FLOAT_DEGR; break;
case OB_DROT_X:
poin= &(ob->drot[0]); *type= IPO_FLOAT_DEGR; break;
case OB_DROT_Y:
poin= &(ob->drot[1]); *type= IPO_FLOAT_DEGR; break;
case OB_DROT_Z:
poin= &(ob->drot[2]); *type= IPO_FLOAT_DEGR; break;
case OB_SIZE_X:
poin= &(ob->size[0]); break;
case OB_SIZE_Y:
poin= &(ob->size[1]); break;
case OB_SIZE_Z:
poin= &(ob->size[2]); break;
case OB_DSIZE_X:
poin= &(ob->dsize[0]); break;
case OB_DSIZE_Y:
poin= &(ob->dsize[1]); break;
case OB_DSIZE_Z:
poin= &(ob->dsize[2]); break;
case OB_LAY:
poin= &(ob->lay); *type= IPO_INT_BIT; break;
case OB_COL_R:
poin= &(ob->col[0]); break;
case OB_COL_G:
poin= &(ob->col[1]); break;
case OB_COL_B:
poin= &(ob->col[2]); break;
case OB_COL_A:
poin= &(ob->col[3]); break;
case OB_PD_FSTR:
if (ob->pd) poin= &(ob->pd->f_strength);
break;
case OB_PD_FFALL:
if (ob->pd) poin= &(ob->pd->f_power);
break;
case OB_PD_SDAMP:
if (ob->pd) poin= &(ob->pd->pdef_damp);
break;
case OB_PD_RDAMP:
if (ob->pd) poin= &(ob->pd->pdef_rdamp);
break;
case OB_PD_PERM:
if (ob->pd) poin= &(ob->pd->pdef_perm);
break;
case OB_PD_FMAXD:
if (ob->pd) poin= &(ob->pd->maxdist);
break;
}
}
break;
case ID_MA: /* material channels ----------------------------- */
{
Material *ma= (Material *)id;
switch (icu->adrcode) {
case MA_COL_R:
poin= &(ma->r); break;
case MA_COL_G:
poin= &(ma->g); break;
case MA_COL_B:
poin= &(ma->b); break;
case MA_SPEC_R:
poin= &(ma->specr); break;
case MA_SPEC_G:
poin= &(ma->specg); break;
case MA_SPEC_B:
poin= &(ma->specb); break;
case MA_MIR_R:
poin= &(ma->mirr); break;
case MA_MIR_G:
poin= &(ma->mirg); break;
case MA_MIR_B:
poin= &(ma->mirb); break;
case MA_REF:
poin= &(ma->ref); break;
case MA_ALPHA:
poin= &(ma->alpha); break;
case MA_EMIT:
poin= &(ma->emit); break;
case MA_AMB:
poin= &(ma->amb); break;
case MA_SPEC:
poin= &(ma->spec); break;
case MA_HARD:
poin= &(ma->har); *type= IPO_SHORT; break;
case MA_SPTR:
poin= &(ma->spectra); break;
case MA_IOR:
poin= &(ma->ang); break;
case MA_MODE:
poin= &(ma->mode); *type= IPO_INT_BIT; break; // evil... dumping bitflags directly to user!
case MA_HASIZE:
poin= &(ma->hasize); break;
case MA_TRANSLU:
poin= &(ma->translucency); break;
case MA_RAYM:
poin= &(ma->ray_mirror); break;
case MA_FRESMIR:
poin= &(ma->fresnel_mir); break;
case MA_FRESMIRI:
poin= &(ma->fresnel_mir_i); break;
case MA_FRESTRA:
poin= &(ma->fresnel_tra); break;
case MA_FRESTRAI:
poin= &(ma->fresnel_tra_i); break;
case MA_ADD:
poin= &(ma->add); break;
}
if (poin == NULL) {
if (icu->adrcode & MA_MAP1) mtex= ma->mtex[0];
else if (icu->adrcode & MA_MAP2) mtex= ma->mtex[1];
else if (icu->adrcode & MA_MAP3) mtex= ma->mtex[2];
else if (icu->adrcode & MA_MAP4) mtex= ma->mtex[3];
else if (icu->adrcode & MA_MAP5) mtex= ma->mtex[4];
else if (icu->adrcode & MA_MAP6) mtex= ma->mtex[5];
else if (icu->adrcode & MA_MAP7) mtex= ma->mtex[6];
else if (icu->adrcode & MA_MAP8) mtex= ma->mtex[7];
else if (icu->adrcode & MA_MAP9) mtex= ma->mtex[8];
else if (icu->adrcode & MA_MAP10) mtex= ma->mtex[9];
else if (icu->adrcode & MA_MAP12) mtex= ma->mtex[11];
else if (icu->adrcode & MA_MAP11) mtex= ma->mtex[10];
else if (icu->adrcode & MA_MAP13) mtex= ma->mtex[12];
else if (icu->adrcode & MA_MAP14) mtex= ma->mtex[13];
else if (icu->adrcode & MA_MAP15) mtex= ma->mtex[14];
else if (icu->adrcode & MA_MAP16) mtex= ma->mtex[15];
else if (icu->adrcode & MA_MAP17) mtex= ma->mtex[16];
else if (icu->adrcode & MA_MAP18) mtex= ma->mtex[17];
if (mtex)
poin= give_mtex_poin(mtex, (icu->adrcode & (MA_MAP1-1)));
}
}
break;
case ID_TE: /* texture channels ----------------------------- */
{
Tex *tex= (Tex *)id;
if (tex)
poin= give_tex_poin(tex, icu->adrcode, type);
}
break;
case ID_SEQ: /* sequence channels ----------------------------- */
{
Sequence *seq= (Sequence *)id;
switch (icu->adrcode) {
case SEQ_FAC1:
poin= &(seq->facf0); break;
}
}
break;
case ID_CU: /* curve channels ----------------------------- */
{
poin= &(icu->curval);
}
break;
case ID_KE: /* shapekey channels ----------------------------- */
{
Key *key= (Key *)id;
KeyBlock *kb;
for(kb= key->block.first; kb; kb= kb->next) {
if (kb->adrcode == icu->adrcode)
break;
}
if (kb)
poin= &(kb->curval);
}
break;
case ID_WO: /* world channels ----------------------------- */
{
World *wo= (World *)id;
switch (icu->adrcode) {
case WO_HOR_R:
poin= &(wo->horr); break;
case WO_HOR_G:
poin= &(wo->horg); break;
case WO_HOR_B:
poin= &(wo->horb); break;
case WO_ZEN_R:
poin= &(wo->zenr); break;
case WO_ZEN_G:
poin= &(wo->zeng); break;
case WO_ZEN_B:
poin= &(wo->zenb); break;
case WO_EXPOS:
poin= &(wo->exposure); break;
case WO_MISI:
poin= &(wo->misi); break;
case WO_MISTDI:
poin= &(wo->mistdist); break;
case WO_MISTSTA:
poin= &(wo->miststa); break;
case WO_MISTHI:
poin= &(wo->misthi); break;
case WO_STAR_R:
poin= &(wo->starr); break;
case WO_STAR_G:
poin= &(wo->starg); break;
case WO_STAR_B:
poin= &(wo->starb); break;
case WO_STARDIST:
poin= &(wo->stardist); break;
case WO_STARSIZE:
poin= &(wo->starsize); break;
}
if (poin == NULL) {
if (icu->adrcode & MA_MAP1) mtex= wo->mtex[0];
else if (icu->adrcode & MA_MAP2) mtex= wo->mtex[1];
else if (icu->adrcode & MA_MAP3) mtex= wo->mtex[2];
else if (icu->adrcode & MA_MAP4) mtex= wo->mtex[3];
else if (icu->adrcode & MA_MAP5) mtex= wo->mtex[4];
else if (icu->adrcode & MA_MAP6) mtex= wo->mtex[5];
else if (icu->adrcode & MA_MAP7) mtex= wo->mtex[6];
else if (icu->adrcode & MA_MAP8) mtex= wo->mtex[7];
else if (icu->adrcode & MA_MAP9) mtex= wo->mtex[8];
else if (icu->adrcode & MA_MAP10) mtex= wo->mtex[9];
else if (icu->adrcode & MA_MAP11) mtex= wo->mtex[10];
else if (icu->adrcode & MA_MAP12) mtex= wo->mtex[11];
else if (icu->adrcode & MA_MAP13) mtex= wo->mtex[12];
else if (icu->adrcode & MA_MAP14) mtex= wo->mtex[13];
else if (icu->adrcode & MA_MAP15) mtex= wo->mtex[14];
else if (icu->adrcode & MA_MAP16) mtex= wo->mtex[15];
else if (icu->adrcode & MA_MAP17) mtex= wo->mtex[16];
else if (icu->adrcode & MA_MAP18) mtex= wo->mtex[17];
if (mtex)
poin= give_mtex_poin(mtex, (icu->adrcode & (MA_MAP1-1)));
}
}
break;
case ID_LA: /* lamp channels ----------------------------- */
{
Lamp *la= (Lamp *)id;
switch (icu->adrcode) {
case LA_ENERGY:
poin= &(la->energy); break;
case LA_COL_R:
poin= &(la->r); break;
case LA_COL_G:
poin= &(la->g); break;
case LA_COL_B:
poin= &(la->b); break;
case LA_DIST:
poin= &(la->dist); break;
case LA_SPOTSI:
poin= &(la->spotsize); break;
case LA_SPOTBL:
poin= &(la->spotblend); break;
case LA_QUAD1:
poin= &(la->att1); break;
case LA_QUAD2:
poin= &(la->att2); break;
case LA_HALOINT:
poin= &(la->haint); break;
}
if (poin == NULL) {
if (icu->adrcode & MA_MAP1) mtex= la->mtex[0];
else if (icu->adrcode & MA_MAP2) mtex= la->mtex[1];
else if (icu->adrcode & MA_MAP3) mtex= la->mtex[2];
else if (icu->adrcode & MA_MAP4) mtex= la->mtex[3];
else if (icu->adrcode & MA_MAP5) mtex= la->mtex[4];
else if (icu->adrcode & MA_MAP6) mtex= la->mtex[5];
else if (icu->adrcode & MA_MAP7) mtex= la->mtex[6];
else if (icu->adrcode & MA_MAP8) mtex= la->mtex[7];
else if (icu->adrcode & MA_MAP9) mtex= la->mtex[8];
else if (icu->adrcode & MA_MAP10) mtex= la->mtex[9];
else if (icu->adrcode & MA_MAP11) mtex= la->mtex[10];
else if (icu->adrcode & MA_MAP12) mtex= la->mtex[11];
else if (icu->adrcode & MA_MAP13) mtex= la->mtex[12];
else if (icu->adrcode & MA_MAP14) mtex= la->mtex[13];
else if (icu->adrcode & MA_MAP15) mtex= la->mtex[14];
else if (icu->adrcode & MA_MAP16) mtex= la->mtex[15];
else if (icu->adrcode & MA_MAP17) mtex= la->mtex[16];
else if (icu->adrcode & MA_MAP18) mtex= la->mtex[17];
if (mtex)
poin= give_mtex_poin(mtex, (icu->adrcode & (MA_MAP1-1)));
}
}
break;
case ID_CA: /* camera channels ----------------------------- */
{
Camera *ca= (Camera *)id;
switch (icu->adrcode) {
case CAM_LENS:
if (ca->type == CAM_ORTHO)
poin= &(ca->ortho_scale);
else
poin= &(ca->lens);
break;
case CAM_STA:
poin= &(ca->clipsta); break;
case CAM_END:
poin= &(ca->clipend); break;
case CAM_YF_APERT:
poin= &(ca->YF_aperture); break;
case CAM_YF_FDIST:
poin= &(ca->YF_dofdist); break;
case CAM_SHIFT_X:
poin= &(ca->shiftx); break;
case CAM_SHIFT_Y:
poin= &(ca->shifty); break;
}
}
break;
case ID_SO: /* sound channels ----------------------------- */
{
bSound *snd= (bSound *)id;
switch (icu->adrcode) {
case SND_VOLUME:
poin= &(snd->volume); break;
case SND_PITCH:
poin= &(snd->pitch); break;
case SND_PANNING:
poin= &(snd->panning); break;
case SND_ATTEN:
poin= &(snd->attenuation); break;
}
}
break;
case ID_PA: /* particle channels ----------------------------- */
{
ParticleSettings *part= (ParticleSettings *)id;
switch (icu->adrcode) {
case PART_EMIT_FREQ:
case PART_EMIT_LIFE:
case PART_EMIT_VEL:
case PART_EMIT_AVE:
case PART_EMIT_SIZE:
poin= NULL;
break;
case PART_CLUMP:
poin= &(part->clumpfac); break;
case PART_AVE:
poin= &(part->avefac); break;
case PART_SIZE:
poin= &(part->size); break;
case PART_DRAG:
poin= &(part->dragfac); break;
case PART_BROWN:
poin= &(part->brownfac); break;
case PART_DAMP:
poin= &(part->dampfac); break;
case PART_LENGTH:
poin= &(part->length); break;
case PART_GRAV_X:
poin= &(part->acc[0]); break;
case PART_GRAV_Y:
poin= &(part->acc[1]); break;
case PART_GRAV_Z:
poin= &(part->acc[2]); break;
case PART_KINK_AMP:
poin= &(part->kink_amp); break;
case PART_KINK_FREQ:
poin= &(part->kink_freq); break;
case PART_KINK_SHAPE:
poin= &(part->kink_shape); break;
case PART_BB_TILT:
poin= &(part->bb_tilt); break;
case PART_PD_FSTR:
if (part->pd) poin= &(part->pd->f_strength);
break;
case PART_PD_FFALL:
if (part->pd) poin= &(part->pd->f_power);
break;
case PART_PD_FMAXD:
if (part->pd) poin= &(part->pd->maxdist);
break;
case PART_PD2_FSTR:
if (part->pd2) poin= &(part->pd2->f_strength);
break;
case PART_PD2_FFALL:
if (part->pd2) poin= &(part->pd2->f_power);
break;
case PART_PD2_FMAXD:
if (part->pd2) poin= &(part->pd2->maxdist);
break;
}
}
break;
}
/* return pointer */
return poin;
}
/* --------------------- IPO-Curve Limits ----------------------------- */
/* set limits for IPO-curve
* Note: must be synced with UI and PyAPI
*/
void set_icu_vars (IpoCurve *icu)
{
/* defaults. 0.0 for y-extents makes these ignored */
icu->ymin= icu->ymax= 0.0;
icu->ipo= IPO_BEZ;
switch (icu->blocktype) {
case ID_OB: /* object channels ----------------------------- */
{
if (icu->adrcode == OB_LAY) {
icu->ipo= IPO_CONST;
icu->vartype= IPO_BITS;
}
}
break;
case ID_MA: /* material channels ----------------------------- */
{
if (icu->adrcode < MA_MAP1) {
switch (icu->adrcode) {
case MA_HASIZE:
icu->ymax= 10000.0; break;
case MA_HARD:
icu->ymax= 511.0; break;
case MA_SPEC:
icu->ymax= 2.0; break;
case MA_MODE:
icu->ipo= IPO_CONST;
icu->vartype= IPO_BITS; break;
case MA_RAYM:
icu->ymax= 1.0; break;
case MA_TRANSLU:
icu->ymax= 1.0; break;
case MA_IOR:
icu->ymin= 1.0;
icu->ymax= 3.0; break;
case MA_FRESMIR:
icu->ymax= 5.0; break;
case MA_FRESMIRI:
icu->ymin= 1.0;
icu->ymax= 5.0; break;
case MA_FRESTRA:
icu->ymax= 5.0; break;
case MA_FRESTRAI:
icu->ymin= 1.0;
icu->ymax= 5.0; break;
case MA_ADD:
icu->ymax= 1.0; break;
case MA_EMIT:
icu->ymax= 2.0; break;
default:
icu->ymax= 1.0; break;
}
}
else {
switch (icu->adrcode & (MA_MAP1-1)) {
case MAP_OFS_X:
case MAP_OFS_Y:
case MAP_OFS_Z:
case MAP_SIZE_X:
case MAP_SIZE_Y:
case MAP_SIZE_Z:
icu->ymax= 1000.0;
icu->ymin= -1000.0;
break;
case MAP_R:
case MAP_G:
case MAP_B:
case MAP_DVAR:
case MAP_COLF:
case MAP_VARF:
case MAP_DISP:
icu->ymax= 1.0;
break;
case MAP_NORF:
icu->ymax= 25.0;
break;
}
}
}
break;
case ID_TE: /* texture channels ----------------------------- */
{
switch (icu->adrcode & (MA_MAP1-1)) {
case TE_NSIZE:
icu->ymin= 0.0001;
icu->ymax= 2.0; break;
case TE_NDEPTH:
icu->vartype= IPO_SHORT;
icu->ipo= IPO_CONST;
icu->ymax= 6.0; break;
case TE_NTYPE:
icu->vartype= IPO_SHORT;
icu->ipo= IPO_CONST;
icu->ymax= 1.0; break;
case TE_TURB:
icu->ymax= 200.0; break;
case TE_VNW1:
case TE_VNW2:
case TE_VNW3:
case TE_VNW4:
icu->ymax= 2.0;
icu->ymin= -2.0; break;
case TE_VNMEXP:
icu->ymax= 10.0;
icu->ymin= 0.01; break;
case TE_VN_DISTM:
icu->vartype= IPO_SHORT;
icu->ipo= IPO_CONST;
icu->ymax= 6.0; break;
case TE_VN_COLT:
icu->vartype= IPO_SHORT;
icu->ipo= IPO_CONST;
icu->ymax= 3.0; break;
case TE_ISCA:
icu->ymax= 10.0;
icu->ymin= 0.01; break;
case TE_DISTA:
icu->ymax= 10.0; break;
case TE_MG_TYP:
icu->vartype= IPO_SHORT;
icu->ipo= IPO_CONST;
icu->ymax= 6.0; break;
case TE_MGH:
icu->ymin= 0.0001;
icu->ymax= 2.0; break;
case TE_MG_LAC:
case TE_MG_OFF:
case TE_MG_GAIN:
icu->ymax= 6.0; break;
case TE_MG_OCT:
icu->ymax= 8.0; break;
case TE_N_BAS1:
case TE_N_BAS2:
icu->vartype= IPO_SHORT;
icu->ipo= IPO_CONST;
icu->ymax= 8.0; break;
case TE_COL_R:
icu->ymax= 0.0; break;
case TE_COL_G:
icu->ymax= 2.0; break;
case TE_COL_B:
icu->ymax= 2.0; break;
case TE_BRIGHT:
icu->ymax= 2.0; break;
case TE_CONTRA:
icu->ymax= 5.0; break;
}
}
break;
case ID_SEQ: /* sequence channels ----------------------------- */
{
icu->ymax= 1.0;
}
break;
case ID_CU: /* curve channels ----------------------------- */
{
icu->ymax= 1.0;
}
break;
case ID_WO: /* world channels ----------------------------- */
{
if (icu->adrcode < MA_MAP1) {
switch (icu->adrcode) {
case WO_EXPOS:
icu->ymax= 5.0; break;
case WO_MISTDI:
case WO_MISTSTA:
case WO_MISTHI:
case WO_STARDIST:
case WO_STARSIZE:
break;
default:
icu->ymax= 1.0;
break;
}
}
else {
switch (icu->adrcode & (MA_MAP1-1)) {
case MAP_OFS_X:
case MAP_OFS_Y:
case MAP_OFS_Z:
case MAP_SIZE_X:
case MAP_SIZE_Y:
case MAP_SIZE_Z:
icu->ymax= 100.0;
icu->ymin= -100.0;
break;
case MAP_R:
case MAP_G:
case MAP_B:
case MAP_DVAR:
case MAP_COLF:
case MAP_NORF:
case MAP_VARF:
case MAP_DISP:
icu->ymax= 1.0;
}
}
}
break;
case ID_LA: /* lamp channels ----------------------------- */
{
if (icu->adrcode < MA_MAP1) {
switch (icu->adrcode) {
case LA_ENERGY:
case LA_DIST:
break;
case LA_COL_R:
case LA_COL_G:
case LA_COL_B:
case LA_SPOTBL:
case LA_QUAD1:
case LA_QUAD2:
icu->ymax= 1.0; break;
case LA_SPOTSI:
icu->ymax= 180.0; break;
case LA_HALOINT:
icu->ymax= 5.0; break;
}
}
else {
switch (icu->adrcode & (MA_MAP1-1)) {
case MAP_OFS_X:
case MAP_OFS_Y:
case MAP_OFS_Z:
case MAP_SIZE_X:
case MAP_SIZE_Y:
case MAP_SIZE_Z:
icu->ymax= 100.0;
icu->ymin= -100.0;
break;
case MAP_R:
case MAP_G:
case MAP_B:
case MAP_DVAR:
case MAP_COLF:
case MAP_NORF:
case MAP_VARF:
case MAP_DISP:
icu->ymax= 1.0;
}
}
}
break;
case ID_CA: /* camera channels ----------------------------- */
{
switch (icu->adrcode) {
case CAM_LENS:
icu->ymin= 1.0;
icu->ymax= 1000.0;
break;
case CAM_STA:
icu->ymin= 0.001f;
break;
case CAM_END:
icu->ymin= 0.1f;
break;
case CAM_YF_APERT:
icu->ymin = 0.0;
icu->ymax = 2.0;
break;
case CAM_YF_FDIST:
icu->ymin = 0.0;
icu->ymax = 5000.0;
break;
case CAM_SHIFT_X:
case CAM_SHIFT_Y:
icu->ymin= -2.0f;
icu->ymax= 2.0f;
break;
}
}
break;
case ID_SO: /* sound channels ----------------------------- */
{
switch (icu->adrcode) {
case SND_VOLUME:
icu->ymin= 0.0;
icu->ymax= 1.0;
break;
case SND_PITCH:
icu->ymin= -12.0;
icu->ymin= 12.0;
break;
case SND_PANNING:
icu->ymin= 0.0;
icu->ymax= 1.0;
break;
case SND_ATTEN:
icu->ymin= 0.0;
icu->ymin= 1.0;
break;
}
}
break;
case ID_PA: /* particle channels ----------------------------- */
{
switch (icu->adrcode) {
case PART_EMIT_LIFE:
case PART_SIZE:
case PART_KINK_FREQ:
case PART_EMIT_VEL:
case PART_EMIT_AVE:
case PART_EMIT_SIZE:
icu->ymin= 0.0;
break;
case PART_CLUMP:
icu->ymin= -1.0;
icu->ymax= 1.0;
break;
case PART_DRAG:
case PART_DAMP:
case PART_LENGTH:
icu->ymin= 0.0;
icu->ymax= 1.0;
break;
case PART_KINK_SHAPE:
icu->ymin= -0.999;
icu->ymax= 0.999;
break;
}
}
break;
case ID_CO: /* constraint channels ----------------------------- */
{
icu->ymin= 0.0;
icu->ymax= 1.0f;
}
break;
}
/* by default, slider limits will be icu->ymin and icu->ymax */
icu->slide_min= icu->ymin;
icu->slide_max= icu->ymax;
}
/* --------------------- Pointer I/O API ----------------------------- */
/* write the given value directly into the given pointer */
void write_ipo_poin (void *poin, int type, float val)
{
/* Note: we only support a limited number of types, with the value
* to set needing to be cast to the appropriate type first
* -> (float to integer conversions could be slow)
*/
switch(type) {
case IPO_FLOAT:
*((float *)poin)= val;
break;
case IPO_FLOAT_DEGR: /* special hack for rotation so that it fits on same axis as other transforms */
*((float *)poin)= (float)(val * M_PI_2 / 9.0);
break;
case IPO_INT:
case IPO_INT_BIT: // fixme... directly revealing bitflag combinations is evil!
case IPO_LONG:
*((int *)poin)= (int)val;
break;
case IPO_SHORT:
case IPO_SHORT_BIT: // fixme... directly revealing bitflag combinations is evil!
*((short *)poin)= (short)val;
break;
case IPO_CHAR:
case IPO_CHAR_BIT: // fixme... directly revealing bitflag combinations is evil!
*((char *)poin)= (char)val;
break;
}
}
/* read the value from the pointer that was obtained */
float read_ipo_poin (void *poin, int type)
{
float val = 0.0;
/* Note: we only support a limited number of types, with the value
* to set needing to be cast to the appropriate type first
* -> (int to float conversions may loose accuracy in rare cases)
*/
switch (type) {
case IPO_FLOAT:
val= *((float *)poin);
break;
case IPO_FLOAT_DEGR: /* special hack for rotation so that it fits on same axis as other transforms */
val= *( (float *)poin);
val = (float)(val / (M_PI_2/9.0));
break;
case IPO_INT:
case IPO_INT_BIT: // fixme... directly revealing bitflag combinations is evil!
case IPO_LONG:
val= (float)( *((int *)poin) );
break;
case IPO_SHORT:
case IPO_SHORT_BIT: // fixme... directly revealing bitflag combinations is evil!
val= *((short *)poin);
break;
case IPO_CHAR:
case IPO_CHAR_BIT: // fixme... directly revealing bitflag combinations is evil
val= *((char *)poin);
break;
}
/* return value */
return val;
}
// !!!!!!!!!!!!!!!!!!!!!!!!!!!! FIXME - BAD CRUFT WARNING !!!!!!!!!!!!!!!!!!!!!!!
/* ***************************** IPO <--> GameEngine Interface ********************************* */
/* channels is max 32 items, allocated by calling function */
short IPO_GetChannels (Ipo *ipo, IPO_Channel *channels)
{
IpoCurve *icu;
int total = 0;
/* don't do anything with no IPO-block */
if (ipo == NULL)
return 0;
/* store the IPO-curve's adrcode in the relevant channel slot */
for (icu=ipo->curve.first; (icu) && (total < 31); icu=icu->next, total++)
channels[total]= icu->adrcode;
/* return the number of channels stored */
return total;
}
/* Get the float value for channel 'channel' at time 'ctime' */
float IPO_GetFloatValue (Ipo *ipo, IPO_Channel channel, float ctime)
{
/* don't evaluate if no IPO to use */
if (ipo == NULL)
return 0;
/* only calculate the specified channel */
calc_ipo_spec(ipo, channel, &ctime);
/* unapply rotation hack, as gameengine doesn't use it */
if ((OB_ROT_X <= channel) && (channel <= OB_DROT_Z))
ctime *= (float)(M_PI_2/9.0);
/* return the value of this channel */
return ctime;
}
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